Event callback in socket client
When a server broadcasts an event to a client, there is an option for a
callback function that may be used to let the client know that
the server has processed the event.
Although this is entirely managed by the server, the client can provide a list of return values to be provided to the callback
function that has been set up.
Simply having the handler function
return the desired values achieves this:.
@sio.event
def my_event(sid, data):
# handle the message
return "OK", 123
The wait() method can be used by an application if it has nothing to do
in the main thread and just wishes to wait until the server connection is broken
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